DATA_PRIVACY_PROTOCOL

This application is a strictly static client-side operation. No personal data is transmitted to external servers controlled by NumPuzzle.

LOCAL_STORAGE

We use your browser's LocalStorage to persist game statistics, difficulty preferences, and the daily challenge history. This data remains on your device.

EXTERNAL_ADVERTISING

This site may host Google AdSense. Google uses cookies to serve ads based on prior visits. You may opt out of personalized advertising in Google's Ad Settings.